A good start: Plan your Life in Vienna
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SARS-CoV 2: At present there are no restrictions in place in Austria due to Covid.
Plan Your Life in Vienna - Prior to Your Arrival
Information available for download (pdf): BOKUtipps (2023/24) - International Guide
Plan Your Life in Vienna - Prior to your arrival: p. 79-87
Plan Your Life in Vienna - Upon arrival: p. 103-120